The systemic observation in the field for many years showed that temperature was the main factor affecting the dynamics of citrus canker in the stage of spring sprouting.
多年田间系统观察表明，柑橘溃疡病的消长，在春梢期，主要影响因子为气温。
Based on Lagrange dynamics model of vibration machinery system is established. Natural frequency, vibration model and systemic response are worked out.
基于拉格朗日法建立振动筛系统动力学模型，分析出了该系统的固有频率、主振型及系统的响应。
Based on the feedback analysis theory of system Dynamics, a systemic analysis approach named Vertex Weighted Causal Loop Diagram analysis approach is presented in this paper.
基于系统动力学反馈分析理论，提出定性与定量紧密结合的系统顶点赋权因果关系图分析法。
In short the article gives a systemic basic researching idea of fatigue characteristics of the bus body structure based on multi-body dynamics and finite element.
总之，文章比较系统的阐述了基于多体动力学和有限元分析研究客车车身骨架结构疲劳特性的基本思路。
In short the article gives a systemic basic researching idea of fatigue characteristics of the bus body structure based on multi-body dynamics and finite element.
总之，文章比较系统的阐述了基于多体动力学和有限元分析研究客车车身骨架结构疲劳特性的基本思路。
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